var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');


var routes = require('./routes/index');
var app = express();

//引入配置文件
var settings = require('./setting');
//引入flash插件
var flash = require('connect-flash');
//引入会话插件
var session = require('express-session');
var MongoStore = require('connect-mongo')(session);


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, './public/images', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
//使用flash插件
app.use(flash())
//使用session会话
app.use(session({
    secret: settings.cookieSecret,
    key: settings.db,
    cookies: {maxAge: 1000 * 60 * 60 * 24 * 30},
    store: new MongoStore({
        url: 'mongodb://localhost/sdhBlog'
    }),
    resave: false,
    saveUninitialized: true
}));


// app.use('/', index);
// app.use('/users', users);
//将app应用传入到routes函数里面进行处理
routes(app);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handler
app.use(function (err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

app.listen(8000, function () {
    console.log('服务器正常启动!')
});
module.exports = app;
